The AccuRelief Dual Channel Pain Relief Device is a powerful unit that allows you to choose from six pre-set body programs or six customizable programs for tailored treatment.ﾠDual channel functionality surrounds pain with two or four electrode pads. With 25 levels of adjustable intensity, finding a comfortable level of relief is simple and quick. It delivers targeted and effective pain relief for 30 minutes.ﾠ12 programs - 6 pre-set programs that correspond to selected body parts and 6 additional therapy programs for tailored treatment25 levels of adjustable intensity30-minute treatment session